Pension and Other Post-Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2018

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The Company’s net periodic benefit costs for its defined benefit pension plans and post-retirement healthcare plans for both continuing and discontinued operations are as follows (in thousands):

	Three Months Ended September 30,											Nine Months Ended September 30,
	Pension Plans						Post-Retirement Healthcare Plan					Pension Plans						Post-Retirement Healthcare Plan
	2018			2017			2018		2017			2018			2017			2018		2017
Service cost	$	—		$	—		$	30	$	39		$	—		$	—		$	90	$	117
Interest cost	7,284			8,396			32		36			21,852			25,946			96		108
Expected return on plan assets	(10,523		)	(10,520		)	—		—			(31,569		)	(32,379		)	—		—
Settlement charge	—			12,923			—		—			—			12,923			—		—
Amortization of prior service cost	—			—			—		(13		)	—			—			—		(39		)
Amortization of net (gain) loss	887			1,944			55		71			2,661			5,819			165		213
Net periodic benefit cost (income)	$	(2,352	)	$	12,743		$	117	$	133		$	(7,056	)	$	12,309		$	351	$	399